Place avocados, lime juice, lime zest ... Carefully remove chilled tart crusts from the shells. Fill with mousse, cover, and chill in the refrigerator or freezer until the mousse is firm.

An easy twist on the classic key lime pie, this make-ahead dessert has a wonderfully summery taste all year-round. For the biscuit base, finely crush the biscuits by placing into a sealed plastic ...